Helen's Polar Challenge for Sport Relief

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

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Inspired by his late mentor, Will Smith spends 100 days facing extreme challenges, venturing from pole to pole with scientists, explorers and experts.

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David Attenborough travels to the end of the earth, taking viewers on an extraordinary journey across the polar regions of our planet.

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HISTORY’s longest-running series moves to H2. Modern Marvels celebrates the ingenuity, invention and imagination found in the world around us. From commonplace items like ink and coffee to architectural masterpieces and engineering disasters, the hit series goes beyond the basics to provide insight and history into things we wonder about and that impact our lives. This series tells fascinating stories of the doers, the dreamers and sometime-schemers that create everyday items, technological breakthroughs and manmade wonders. The hit series goes deep to explore the leading edge of human inspiration and ambition.

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Explores WWII from Germany's invasion of Poland through the atomic age, examining pivotal battles, wartime leaders like Churchill and Roosevelt, and the human cost of total war.

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Filmed across six continents, this docuseries uses cutting-edge camera technology to capture animals' nocturnal lives, revealing new behaviours filmed in full color like never before.

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Journeying to the far reaches of our planet, this eight part series follows some of the world's most amazing species, telling extraordinary stories that are dramatic, thrilling, funny and sometimes heart-breaking, but always full of hope.

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30 for 30 is the title for a series of documentary films airing on ESPN, its sister networks, and online highlighting interesting people and events in sports history. This currently includes four "volumes" of 30 episodes each, a 13-episode series under the ESPN Films Presents title in 2011–2012, and a series of 30 for 30 Shorts shown through the ESPN.com website. The series has also expanded to include Soccer Stories, which aired in advance of the 2014 FIFA World Cup, and audio podcasts. This entry refers to the main Volumes of the series presented by ESPN

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Consistently stunning documentaries transport viewers to far-flung locations ranging from the torrid African plains to the chilly splendours of icy Antarctica. The show's primary focus is on animals and ecosystems around the world. A comic book based on the show, meant to be used an as educational tool for kids, was briefly distributed to museums and schools at no cost in the mid-2000s.

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David Attenborough celebrates the amazing variety of the natural world in this epic documentary series, filmed over four years across 64 different countries.

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Millions of years ago, incredible forces ripped apart the Earth’s crust creating seven extraordinary continents. This documentary series reveals how each distinct continent has shaped the unique animal life found there.

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Experience the wonders of our world like never before in this epic series from Jon Favreau and the producers of Planet Earth. Travel back 66 million years to when majestic dinosaurs and extraordinary creatures roamed the lands, seas, and skies.

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Three years after Long Way Round, Ewan McGregor and Charley Boorman set off on a 15,000-mile journey from the northernmost tip of Scotland to the southernmost tip of South Africa, mixing their love of motorcycles with the lure of far-flung roads.

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Morgan Freeman presents his quest in order to find how most religions perceive life after death, what different civilizations thought about the act of creation and other big questions that mankind has continuously asked.

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Award-winning actor and nervous explorer Eugene Levy steps out of his comfort zone for a whirlwind tour of the world's most beautiful and intriguing destinations.

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Motoring programme featuring reviews of and reports about cars of all types.

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Australian host Steve Irwin and his wife Terri run a wildlife refuge. Their shared passion is educating the world about wildlife, including the much feared crocodile and numerous venomous snakes. Steve's specialty is the capture and relocation of crocodiles. No animal appears too threatening to Steve, his true respect for animals is the foundation for everything he does.

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Infographics and archival footage deliver bite-size history lessons on scientific breakthroughs, social movements and world-changing discoveries.

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MegaStructures is a documentary television series appearing on the National Geographic Channel in the United States and the United Kingdom, Channel 5 in the United Kingdom, France 5 in France, and 7mate in Australia. Each episode is an educational look of varying depth into the construction, operation, and staffing of various structures or construction projects, but not ordinary construction products. Generally containing interviews with designers and project managers, it presents the problems of construction and the methodology or techniques used to overcome obstacles. In some cases this involved the development of new materials or products that are now in general use within the construction industry. MegaStructures focuses on constructions that are extreme; in the sense that they are the biggest, tallest, longest, or deepest in the world. Alternatively, a project may appear if it had an element of novelty or are a world first. This type of project is known as a Megaproject.

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A rare look at warring animal clans battling for survival in a remote region of Africa, which is drying up after years of flood-soaked abundance.

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